KielieCooper KielieCooper

07-11-2022
Mathematics

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tan(x+pie) + sin(x+pie) + sin (x-pie) = 0

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emmymaster3 emmymaster3

07-11-2022

Answer:Use the identity: sin(A+B) = sin(A)cos(B)+cos(A)sin(B) Substitute x for A and pi for B: sin(x+pi) = sin(x)cos(pi)+cos(x)sin(pi) The second term disappears, ...

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